21
Faults and Troubleshooting
Phenomenon
Cause
Troubleshooting
The engine
is started.
There is no oil in the carburetor.
The gasoline filter is blocked.
Clean or replace it.
The fuel pipe is blocked.
Clean it.
Carburetor
Consult the product distributor.
There is
oil in the
carburetor.
There is fuel in the
cylinder.
Carburetor
Consult the product distributor.
There is
fuel in the
cylinder.
There is
oil in the
muffler.
The fuel concentration is too high.
Open the choke valve plate.
Clean/replace the air filter.
Adjust the carburetor.
Consult the product distributor.
The wire
end or spark
plug has no
spark.
The stop switch is closed.
Open the stop switch.
Electrical failure
Consult the product distributor.
The spark plug gap is not appropriate. Adjust the clearance to be 0.6 - 0.7mm.
Carbon is deposited.
Clean or replace it.
Fuel silting occurs.
Clean or replace it.
The spark plug is damaged.
Replace the spark plug.
The engine cannot be started.
A fault occurs in the engine.
Consult the product distributor.
The engine
is rotating.
The machine cannot be easily
stopped or accelerated.
The air filter is too dirty.
Clean or replace it.
The gasoline filter is too dirty.
Clean or replace it.
The air inlet is blocked.
Clean it.
Spark plug
Clean and adjust/replace it.
Carburetor
Adjust it.
The cooling system is blocked.
Clean it.
The exhaust port/muffler is blocked.
Clean it.
Warning
Danger
All the chain saw maintenance services and other repair services related to the faults which are not listed in
the operation manual must be provided by the competent personnel.
The fuel is volatile and easy to burn. Fire or explosion may be caused. Do not remove the spark plug or
perform the ignition test near the spark plug mounting hole of the cylinder; otherwise, serious personal injury
may be caused.
Содержание PK4516
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